KR100912045B1 - 여기 파형의 외삽에 근거한 부대역 예측 코더용 패킷 손실은폐 - Google Patents
여기 파형의 외삽에 근거한 부대역 예측 코더용 패킷 손실은폐 Download PDFInfo
- Publication number
- KR100912045B1 KR100912045B1 KR1020070080412A KR20070080412A KR100912045B1 KR 100912045 B1 KR100912045 B1 KR 100912045B1 KR 1020070080412 A KR1020070080412 A KR 1020070080412A KR 20070080412 A KR20070080412 A KR 20070080412A KR 100912045 B1 KR100912045 B1 KR 100912045B1
- Authority
- KR
- South Korea
- Prior art keywords
- subband
- audio signal
- band
- excitation
- decoder
- Prior art date
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 221
- 238000013213 extrapolation Methods 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 52
- 230000005236 sound signal Effects 0.000 claims description 211
- 230000015572 biosynthetic process Effects 0.000 claims description 135
- 238000003786 synthesis reaction Methods 0.000 claims description 135
- 238000001914 filtration Methods 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 14
- 238000000354 decomposition reaction Methods 0.000 description 12
- 230000000737 periodic effect Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 239000000872 buffer Substances 0.000 description 9
- 238000004590 computer program Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83693706P | 2006-08-11 | 2006-08-11 | |
| US60/836,937 | 2006-08-11 | ||
| US11/835,716 | 2007-08-08 | ||
| US11/835,716 US8280728B2 (en) | 2006-08-11 | 2007-08-08 | Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080014678A KR20080014678A (ko) | 2008-02-14 |
| KR100912045B1 true KR100912045B1 (ko) | 2009-08-12 |
Family
ID=38698351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020070080412A KR100912045B1 (ko) | 2006-08-11 | 2007-08-10 | 여기 파형의 외삽에 근거한 부대역 예측 코더용 패킷 손실은폐 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8280728B2 (zh) |
| EP (1) | EP1887563B1 (zh) |
| KR (1) | KR100912045B1 (zh) |
| CN (1) | CN101136201B (zh) |
| HK (1) | HK1119479A1 (zh) |
| TW (1) | TWI377562B (zh) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8280728B2 (en) * | 2006-08-11 | 2012-10-02 | Broadcom Corporation | Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform |
| GB0704622D0 (en) * | 2007-03-09 | 2007-04-18 | Skype Ltd | Speech coding system and method |
| US20090048828A1 (en) * | 2007-08-15 | 2009-02-19 | University Of Washington | Gap interpolation in acoustic signals using coherent demodulation |
| CN100524462C (zh) * | 2007-09-15 | 2009-08-05 | 华为技术有限公司 | 对高带信号进行帧错误隐藏的方法及装置 |
| US8126578B2 (en) * | 2007-09-26 | 2012-02-28 | University Of Washington | Clipped-waveform repair in acoustic signals using generalized linear prediction |
| CN101552008B (zh) * | 2008-04-01 | 2011-11-16 | 华为技术有限公司 | 语音编码方法及装置、语音解码方法及装置 |
| US20110196673A1 (en) * | 2010-02-11 | 2011-08-11 | Qualcomm Incorporated | Concealing lost packets in a sub-band coding decoder |
| US9525569B2 (en) * | 2010-03-03 | 2016-12-20 | Skype | Enhanced circuit-switched calls |
| US8660195B2 (en) * | 2010-08-10 | 2014-02-25 | Qualcomm Incorporated | Using quantized prediction memory during fast recovery coding |
| US9130643B2 (en) | 2012-01-31 | 2015-09-08 | Broadcom Corporation | Systems and methods for enhancing audio quality of FM receivers |
| US9178553B2 (en) | 2012-01-31 | 2015-11-03 | Broadcom Corporation | Systems and methods for enhancing audio quality of FM receivers |
| KR101398189B1 (ko) * | 2012-03-27 | 2014-05-22 | 광주과학기술원 | 음성수신장치 및 음성수신방법 |
| US9542955B2 (en) * | 2014-03-31 | 2017-01-10 | Qualcomm Incorporated | High-band signal coding using multiple sub-bands |
| KR102242260B1 (ko) | 2014-10-14 | 2021-04-20 | 삼성전자 주식회사 | 이동 통신 네트워크에서 음성 품질 향상 방법 및 장치 |
| US9706317B2 (en) | 2014-10-24 | 2017-07-11 | Starkey Laboratories, Inc. | Packet loss concealment techniques for phone-to-hearing-aid streaming |
| EP3023983B1 (en) * | 2014-11-21 | 2017-10-18 | AKG Acoustics GmbH | Method of packet loss concealment in ADPCM codec and ADPCM decoder with PLC circuit |
| US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
| US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
| US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
| CN108600248B (zh) * | 2018-05-04 | 2021-04-13 | 广东电网有限责任公司 | 一种通信安全防护方法及装置 |
| EP3803867B1 (en) | 2018-05-31 | 2024-01-10 | Shure Acquisition Holdings, Inc. | Systems and methods for intelligent voice activation for auto-mixing |
| US11523212B2 (en) | 2018-06-01 | 2022-12-06 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
| US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
| EP3854108A1 (en) | 2018-09-20 | 2021-07-28 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
| US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
| EP3942842A1 (en) | 2019-03-21 | 2022-01-26 | Shure Acquisition Holdings, Inc. | Housings and associated design features for ceiling array microphones |
| US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
| US11445294B2 (en) | 2019-05-23 | 2022-09-13 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
| TW202105369A (zh) | 2019-05-31 | 2021-02-01 | 美商舒爾獲得控股公司 | 整合語音及雜訊活動偵測之低延時自動混波器 |
| WO2021041275A1 (en) | 2019-08-23 | 2021-03-04 | Shore Acquisition Holdings, Inc. | Two-dimensional microphone array with improved directivity |
| US12028678B2 (en) | 2019-11-01 | 2024-07-02 | Shure Acquisition Holdings, Inc. | Proximity microphone |
| US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
| US11706562B2 (en) | 2020-05-29 | 2023-07-18 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
| WO2022165007A1 (en) | 2021-01-28 | 2022-08-04 | Shure Acquisition Holdings, Inc. | Hybrid audio beamforming system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5615298A (en) | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
| US20030093746A1 (en) | 2001-10-26 | 2003-05-15 | Hong-Goo Kang | System and methods for concealing errors in data transmission |
| US20050143985A1 (en) | 2003-12-26 | 2005-06-30 | Jongmo Sung | Apparatus and method for concealing highband error in spilt-band wideband voice codec and decoding system using the same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5550543A (en) * | 1994-10-14 | 1996-08-27 | Lucent Technologies Inc. | Frame erasure or packet loss compensation method |
| US6961697B1 (en) * | 1999-04-19 | 2005-11-01 | At&T Corp. | Method and apparatus for performing packet loss or frame erasure concealment |
| US7031926B2 (en) * | 2000-10-23 | 2006-04-18 | Nokia Corporation | Spectral parameter substitution for the frame error concealment in a speech decoder |
| US7711563B2 (en) * | 2001-08-17 | 2010-05-04 | Broadcom Corporation | Method and system for frame erasure concealment for predictive speech coding based on extrapolation of speech waveform |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
| US8280728B2 (en) * | 2006-08-11 | 2012-10-02 | Broadcom Corporation | Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform |
| WO2008022176A2 (en) * | 2006-08-15 | 2008-02-21 | Broadcom Corporation | Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform |
-
2007
- 2007-08-08 US US11/835,716 patent/US8280728B2/en active Active
- 2007-08-10 KR KR1020070080412A patent/KR100912045B1/ko not_active IP Right Cessation
- 2007-08-10 EP EP07015797.9A patent/EP1887563B1/en active Active
- 2007-08-13 CN CN2007101427004A patent/CN101136201B/zh active Active
- 2007-08-13 TW TW096129832A patent/TWI377562B/zh not_active IP Right Cessation
-
2008
- 2008-07-24 HK HK08108184.1A patent/HK1119479A1/xx not_active IP Right Cessation
-
2009
- 2009-05-29 US US12/474,809 patent/US8457952B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5615298A (en) | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
| US20030093746A1 (en) | 2001-10-26 | 2003-05-15 | Hong-Goo Kang | System and methods for concealing errors in data transmission |
| US20050143985A1 (en) | 2003-12-26 | 2005-06-30 | Jongmo Sung | Apparatus and method for concealing highband error in spilt-band wideband voice codec and decoding system using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200907931A (en) | 2009-02-16 |
| CN101136201A (zh) | 2008-03-05 |
| EP1887563B1 (en) | 2013-10-16 |
| US8280728B2 (en) | 2012-10-02 |
| US20080040122A1 (en) | 2008-02-14 |
| HK1119479A1 (en) | 2009-03-06 |
| US8457952B2 (en) | 2013-06-04 |
| KR20080014678A (ko) | 2008-02-14 |
| US20090248405A1 (en) | 2009-10-01 |
| CN101136201B (zh) | 2011-04-13 |
| EP1887563A1 (en) | 2008-02-13 |
| TWI377562B (en) | 2012-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100912045B1 (ko) | 여기 파형의 외삽에 근거한 부대역 예측 코더용 패킷 손실은폐 | |
| KR101041892B1 (ko) | 패킷 손실 은닉 후 디코더 상태의 갱신 기법 | |
| KR101455915B1 (ko) | 일반 오디오 및 음성 프레임을 포함하는 오디오 신호용 디코더 | |
| US7876966B2 (en) | Switching between coding schemes | |
| RU2584463C2 (ru) | Кодирование звука с малой задержкой, содержащее чередующиеся предсказательное кодирование и кодирование с преобразованием | |
| KR101366124B1 (ko) | 오디오 인코딩/디코딩에서의 인지 가중 장치 | |
| RU2459282C2 (ru) | Масштабируемое кодирование речи и аудио с использованием комбинаторного кодирования mdct-спектра | |
| RU2496156C2 (ru) | Маскирование ошибки передачи в цифровом аудиосигнале в иерархической структуре декодирования | |
| EP1493146B1 (en) | Encoding and decoding devices, methods and programs | |
| US8738385B2 (en) | Pitch-based pre-filtering and post-filtering for compression of audio signals | |
| KR101703810B1 (ko) | 디지털 오디오 신호들의 계층적 코딩/디코딩을 개선하기 위한 향상 코딩／ 디코딩에서의 비트들의 할당 | |
| KR20080005325A (ko) | 적응적 부호화/복호화 방법 및 장치 | |
| US8812327B2 (en) | Coding/decoding of digital audio signals | |
| US20090299755A1 (en) | Method for Post-Processing a Signal in an Audio Decoder | |
| EP2270775B1 (en) | Lossless multi-channel audio codec | |
| KR100952065B1 (ko) | 부호화 방법 및 장치, 및 복호 방법 및 장치 | |
| US8607127B2 (en) | Transmission error dissimulation in a digital signal with complexity distribution | |
| KR100467326B1 (ko) | 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기 | |
| JP7279160B2 (ja) | サブバンド併合および時間領域エイリアシング低減を使用した適応的な非均一時間／周波数タイリングによる知覚音声符号化 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20120727 Year of fee payment: 4 |
|
| FPAY | Annual fee payment |
Payment date: 20130729 Year of fee payment: 5 |
|
| FPAY | Annual fee payment |
Payment date: 20140902 Year of fee payment: 6 |
|
| FPAY | Annual fee payment |
Payment date: 20150803 Year of fee payment: 7 |
|
| FPAY | Annual fee payment |
Payment date: 20160725 Year of fee payment: 8 |
|
| LAPS | Lapse due to unpaid annual fee |